①. Soldering iron: This 90W 220V soldering iron uses internal heating ceramic technology, with fast heating; equipped with 4 ventilation holes and a heat-resistant thread design, which optimizes heat dissipation and enables soldering; it comes with a temperature switch with a range of 200 - 450, allowing easy temperature adjustment. ②. Soldering iron set: The standard double-spring soldering iron stand comes with a sponge, which can easily clean the stains on the soldering iron tip, extend its service life, and protect users from burns. ③. Solder wire + Desoldering pump: 12g, solder wire with a diameter of 1.0mm, in a plastic tube, with a soldering temperature of 240 - 250℃ and a melting point of 183; the desoldering pump with a tin-sucking button can be easily operated with one hand and is a choice for removing solder. ④. Digital multimeter: It is convenient for measuring DC and AC voltage, DC and AC current, resistance, diodes, hFE transistors, and conducting continuity tests; it is equipped with a large LCD screen and backlight, enabling easy data reading in different environments. ⑤. Accessories + Portable bag: Many accessories (dual-purpose screwdrivers, pliers + wrenches, tweezers, cutting wires, etc.) are neatly packed in a smooth PU bag, which is suitable for electronic course assignments, electrical maintenance, pyrography, computer/mobile phone repair, etc.; it is a gift for amateurs or DIY enthusiasts.